Norovirus is one of the most contagious stomach viruses, known for causing sudden and severe vomiting, diarrhea, stomach cramps, and nausea. Often referred to as the “stomach flu” (though it is not related to influenza), norovirus spreads quickly and easily, making it a major cause of outbreaks in public spaces. In this blog, we’ll break down the timeline of norovirus contagiousness, how it spreads, and what you can do to prevent infecting others. For ...